示例#1
0
        private bool IsFunctionCall(string line, out List<string> paramaters, out FreshScriptFunction functionMatch)
        {
            functionMatch = null;
            paramaters = null;

            string functionName = null;
            int paramaterCount = 0;
            if (ProcessFuncionDefinition(line, out functionName, out paramaterCount))
            {
                foreach (FreshScriptFunction f in functions)
                {
                    if (String.Compare(f.Name, functionName, !caseSensitive) == 0)
                    {
                        functionMatch = f;
                        if (paramaters == null)
                        {
                            //TODO add paramaters to this code
                            //first function with this name - define paramaters

                            if (true)
                            {
                                //if number of paramaters matches - same funciton signatues
                                return true;
                            }
                        }
                    }
                }
            }
            return false;
        }
示例#2
0
        private List<string> LoadFile(string fileName, int loadRecursionDepth)
        {
            //working here - make this load only - imports only - move function definisitons to another pass/method initialize - dont add loads to line List
            const int recursiveLoadMax = 10;

            List<string> loadLines = new List<string>();

            Profiler.Start();
            StreamReader streamReader = null;
            if (File.Exists(fileName))
                streamReader = new StreamReader(fileName);
            //BufferedReader stream = null;// = new BufferedReader(new Reader(Reader(MyMethods.ShowOpenWindow(panel);
            if (streamReader == null)
            {
                ReportError("Failed to Load/Read file \""+fileName+"\".");
            }
            else
            {
                string fileText = streamReader.ReadToEnd();
                if (fileText != null)
                {
                    fileText = fileText.Trim();
                    string fileTextWithoutQuotes = GetLineWithoutQuotes(fileText);
                    string codeLine = "not null";
                    while (codeLine!=null)
                    {
                        codeLine = NextCodeLineFromInput(ref fileText, ref fileTextWithoutQuotes);
                        if(codeLine!=null)
                            loadLines.Add(codeLine);
                    }
                    if (fileText.Trim().Length > 0)
                    {
                        ReportError("There is loose code at the end of the file. Probably missing semi colin or brace.",fileName,-1,"");
                    }
                }
                streamReader.Close();




                int braceDepth = 0;
                bool funtionStart = false;
                bool inFunctionDefinition = false;

                FreshScriptFunction activeFunction = null;
                                        
                int lineNo = -1;
                //interpret lines - predefine functions mostly
                foreach (string line in loadLines)
                {
                    lineNo++;

                    string remainingLine;
                    Keywords keywordMatch;

                    if (HasLeadingKeyword(line, out remainingLine, out keywordMatch))
                    {
                        switch (keywordMatch)
                        {
                            case Keywords.comment:
                                //do nothing
                                break;
                            case Keywords.var:
                                //this will be handled in the process line
                                break;
                            case Keywords.import:
                                {
                                    //should preserver this files path so a sibling file can use relative pathing
                                    if (loadRecursionDepth < recursiveLoadMax)
                                    {
                                        List<string> importLines = LoadFile(remainingLine, loadRecursionDepth + 1);
                                    }
                                    else
                                    {
                                        //XXX test this
                                        ReportError("Attempting to import file past inport depth limit. Possibly a recursive Load problem. If this is intentional contact Fresh.", fileName, lineNo, loadLines[lineNo - 1]);
                                    }
                                    break;
                                }
                            case Keywords.function:
                                {
                                    if (inFunctionDefinition)
                                    {
                                        ReportError("Already defining a function", fileName, lineNo, loadLines[lineNo - 1]);
                                    }
                                    else
                                    {
                                        funtionStart = true;
                                        //create a dummy function definition that will get redefined when the end of funciton is found
                                        int paramaterCount;
                                        string functionName;
                                        if (ProcessFuncionDefinition(remainingLine, out functionName, out paramaterCount))
                                        {
                                            activeFunction = new FreshScriptFunction(functionName, paramaterCount, lineNo + 1, 0, caseSensitive);
                                        }
                                    }
                                    break;
                                }
                            case Keywords.openBrace:
                                if (funtionStart)
                                {

                                    if (braceDepth != 0)
                                    {
                                        ReportError("Cannot start a function definition within another code block", fileName, lineNo, loadLines[lineNo - 1]);
                                    }

                                    funtionStart = false;
                                    activeFunction.StartLine = lineNo + 1;
                                    inFunctionDefinition = true;
                                    braceDepth++;
                                }
                                break;
                            case Keywords.closeBrace:
                                braceDepth--;

                                if (braceDepth < 0)
                                {
                                    ReportError("Attempting to close non existant block", fileName, lineNo, loadLines[lineNo - 1]);
                                }
                                else
                                {
                                    if (braceDepth == 0 & inFunctionDefinition)
                                    {
                                        activeFunction.EndLine = lineNo - 1;

                                        if (activeFunction.LineCount <= 0)
                                        {
                                            ReportError("Warning: function " + activeFunction.Name + " has invalid line count(" + activeFunction.LineCount + ")", fileName, lineNo, loadLines[lineNo - 1]);
                                        }

                                        functions.Add(activeFunction);
                                    }
                                }


                                funtionStart = false;
                                break;
                        }
                    }
                }

                if (braceDepth >0)
                {
                    ReportError("Not all braces are closed. - Final load check", fileName, -1, "");
                }
            }
            Profiler.Stop();
            return loadLines;
        }